#558DEC#558DEC

#558DEC is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.0% C 0.154 H 260.3°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#558DEC
RGB	rgb(85, 141, 236)
HSL	hsl(218, 80%, 63%)
HSV	hsv(218, 64%, 93%)
CMYK	cmyk(64%, 40.3%, 0%, 7.5%)
CIE-LAB	lab(59.01, 10.99, -53.42)
CIE-LCH	lch(59.01, 54.54, 281.63°)
OKLab	oklab(64.99% -0.0259 -0.1522)
OKLCH	oklch(64.99% 0.154 260.3)
XYZ	xyz(28.4061, 27.0345, 83.0618)
Luminance	0.2704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DEC #ECB455

analogous

#55D9EC #558DEC #6855EC

triadic

#558DEC #EC558D #8DEC55

tetradic

#558DEC #EC55D9 #ECB455 #55EC68

square

#558DEC #EC55D9 #ECB455 #55EC68

split-complementary

#558DEC #EC6855 #D9EC55

monochromatic

#144FB3 #1E68E6 #558DEC #8CB2F2 #C3D7F8

Accessibility & contrast

On white

3.28

#558DEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#558DEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DEC

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DEC	#FFFFFF	#000000	##000000
##558DEC	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6296F0

Deuteranopia (green-blind)

#4C88EA

Tritanopia (blue-blind)

#00A3B1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558dec;
/* rgb */ color: rgb(85, 141, 236);
/* oklch */ color: oklch(65.0% 0.154 260.3);

Tailwind

colors: {
  custom: {
    50: '#93adf2',
    500: '#558dec',
    950: '#000000',
  },
}

SCSS

$custom: #558dec;
$custom-light: #93adf2;
$custom-dark: #000000;

JSON

{
  "hex": "#558dec",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 236
  },
  "hsl": {
    "h": 217.748,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64994,
    "c": 0.15436,
    "h": 260.3
  },
  "luminance": 0.27037
}

Semantic roles & 50–950 ramp

primary

#558DEC

secondary

#EAD5B3

accent

#8E09DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558DEC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →